1 /* 2 * (C) Copyright 2000 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 /* 25 * Command Processor Table 26 */ 27 28 #include <common.h> 29 #include <command.h> 30 #include <cmd_cache.h> 31 #include <cmd_mem.h> 32 #include <cmd_boot.h> 33 #include <cmd_flash.h> 34 #include <cmd_bootm.h> 35 #include <cmd_net.h> 36 #include <cmd_nvedit.h> 37 #include <cmd_misc.h> 38 #include <cmd_kgdb.h> 39 #include <cmd_ide.h> 40 #include <cmd_disk.h> 41 #include <cmd_console.h> 42 #include <cmd_reginfo.h> 43 #include <cmd_pcmcia.h> 44 #include <cmd_autoscript.h> 45 #include <cmd_diag.h> 46 47 #include <cmd_eeprom.h> 48 #include <cmd_i2c.h> 49 #include <cmd_spi.h> 50 #include <cmd_immap.h> 51 #include <cmd_rtc.h> 52 53 #include <cmd_elf.h> 54 #include <cmd_fdc.h> /* Floppy support */ 55 #include <cmd_usb.h> /* USB support */ 56 #include <cmd_scsi.h> 57 #include <cmd_pci.h> 58 #include <cmd_mii.h> 59 #include <cmd_dcr.h> /* 4xx DCR register access */ 60 #include <cmd_doc.h> 61 #include <cmd_jffs2.h> 62 #include <cmd_fpga.h> 63 64 #include <cmd_bsp.h> /* board special functions */ 65 66 #include <cmd_bedbug.h> 67 #include <cmd_elf.h> 68 69 #include <cmd_dtt.h> 70 71 #include <cmd_vfd.h> /* load a bitmap to the VFDs on TRAB */ 72 #include <cmd_log.h> 73 #include <cmd_fdos.h> 74 75 /* 76 * HELP command 77 */ 78 #define CMD_TBL_HELP MK_CMD_TBL_ENTRY( \ 79 "help", 1, CFG_MAXARGS, 1, do_help, \ 80 "help - print online help\n", \ 81 "[command ...]\n" \ 82 " - show help information (for 'command')\n" \ 83 "'help' prints online help for the monitor commands.\n\n" \ 84 "Without arguments, it prints a short usage message for all commands.\n\n" \ 85 "To get detailed help information for specific commands you can type\n" \ 86 "'help' with one or more command names as arguments.\n" \ 87 ), 88 89 #define CMD_TBL_QUES MK_CMD_TBL_ENTRY( \ 90 "?", 1, CFG_MAXARGS, 1, do_help, \ 91 "? - alias for 'help'\n", \ 92 NULL \ 93 ), 94 95 #define CMD_TBL_VERS MK_CMD_TBL_ENTRY( \ 96 "version", 4, 1, 1, do_version, \ 97 "version - print monitor version\n", \ 98 NULL \ 99 ), 100 101 #define CMD_TBL_ECHO MK_CMD_TBL_ENTRY( \ 102 "echo", 4, CFG_MAXARGS, 1, do_echo, \ 103 "echo - echo args to console\n", \ 104 "[args..]\n" \ 105 " - echo args to console; \\c suppresses newline\n" \ 106 ), 107 108 int 109 do_version (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 110 { 111 extern char version_string[]; 112 printf ("\n%s\n", version_string); 113 return 0; 114 } 115 116 int 117 do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 118 { 119 int i, putnl = 1; 120 121 for (i = 1; i < argc; i++) { 122 char *p = argv[i], c; 123 124 if (i > 1) 125 putc(' '); 126 while ((c = *p++) != '\0') 127 if (c == '\\' && *p == 'c') { 128 putnl = 0; 129 p++; 130 } 131 else 132 putc(c); 133 } 134 135 if (putnl) 136 putc('\n'); 137 return 0; 138 } 139 140 /* 141 * Use puts() instead of printf() to avoid printf buffer overflow 142 * for long help messages 143 */ 144 int 145 do_help (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 146 { 147 int i; 148 int rcode = 0; 149 150 if (argc == 1) { /* print short help (usage) */ 151 152 for (cmdtp=&cmd_tbl[0]; cmdtp->name; cmdtp++) { 153 /* allow user abort */ 154 if (ctrlc()) 155 return 1; 156 157 if (cmdtp->usage == NULL) 158 continue; 159 puts (cmdtp->usage); 160 } 161 162 return 0; 163 } 164 165 /* 166 * command help (long version) 167 */ 168 for (i=1; i<argc; ++i) { 169 if ((cmdtp = find_cmd(argv[i])) != NULL) { 170 #ifdef CFG_LONGHELP 171 /* found - print (long) help info */ 172 puts (cmdtp->name); 173 putc (' '); 174 if (cmdtp->help) { 175 puts (cmdtp->help); 176 } else { 177 puts ("- No help available.\n"); 178 rcode = 1; 179 } 180 putc ('\n'); 181 #else /* no long help available */ 182 if (cmdtp->usage) 183 puts (cmdtp->usage); 184 #endif /* CFG_LONGHELP */ 185 } 186 else { 187 printf ("Unknown command '%s' - try 'help'" 188 " without arguments for list of all" 189 " known commands\n\n", 190 argv[i] 191 ); 192 rcode = 1; 193 } 194 } 195 return rcode; 196 } 197 198 /*************************************************************************** 199 * find command table entry for a command 200 */ 201 cmd_tbl_t *find_cmd(const char *cmd) 202 { 203 cmd_tbl_t *cmdtp; 204 205 /* Search command table - Use linear search - it's a small table */ 206 for (cmdtp = &cmd_tbl[0]; cmdtp->name; cmdtp++) { 207 if (strncmp (cmd, cmdtp->name, cmdtp->lmin) == 0) 208 return cmdtp; 209 } 210 return NULL; /* not found */ 211 } 212 213 /* 214 * The commands in this table are sorted alphabetically by the 215 * command name and in descending order by the command name string 216 * length. This is to prevent conflicts in command name parsing. 217 * Please ensure that new commands are added according to that rule. 218 * Please use $(TOPDIR)/doc/README.commands as a reference AND make 219 * sure it gets updated. 220 */ 221 222 cmd_tbl_t cmd_tbl[] = { 223 CMD_TBL_ASKENV 224 CMD_TBL_ASM 225 CMD_TBL_AUTOSCRIPT 226 CMD_TBL_BASE 227 CMD_TBL_BDINFO 228 CMD_TBL_BOOTELF 229 CMD_TBL_BOOTM 230 CMD_TBL_BOOTP 231 CMD_TBL_BOOTVX 232 CMD_TBL_BOOTD 233 CMD_TBL_BREAK 234 CMD_TBL_BRGINFO 235 CMD_TBL_CARINFO 236 CMD_TBL_JFFS2_CHPART 237 CMD_TBL_CMP 238 CMD_TBL_CONINFO 239 CMD_TBL_CONTINUE 240 CMD_TBL_CP 241 CMD_TBL_CRC 242 CMD_TBL_DATE 243 CMD_TBL_DCACHE 244 CMD_TBL_DHCP 245 CMD_TBL_DIAG 246 CMD_TBL_DISK 247 CMD_TBL_DMAINFO 248 CMD_TBL_DIS 249 CMD_TBL_DOCBOOT 250 CMD_TBL_DOC 251 CMD_TBL_DTT 252 CMD_TBL_ECHO 253 CMD_TBL_EEPROM 254 CMD_TBL_FCCINFO 255 CMD_TBL_FLERASE 256 CMD_TBL_FDC 257 CMD_TBL_FDOS_BOOT 258 CMD_TBL_FDOS_LS 259 CMD_TBL_FLINFO 260 CMD_TBL_FPGA 261 CMD_TBL_JFFS2_FSINFO 262 CMD_TBL_JFFS2_FSLOAD 263 CMD_TBL_GETDCR 264 CMD_TBL_GO 265 CMD_TBL_HELP 266 CMD_TBL_HWFLOW 267 CMD_TBL_I2CINFO 268 CMD_TBL_ICACHE 269 #ifdef CONFIG_8260 270 CMD_TBL_ICINFO 271 #endif 272 CMD_TBL_IMD 273 CMD_TBL_IMM 274 CMD_TBL_INM 275 CMD_TBL_IMW 276 CMD_TBL_ICRC 277 CMD_TBL_IPROBE 278 CMD_TBL_ILOOP 279 CMD_TBL_ISDRAM 280 CMD_TBL_IDE 281 CMD_TBL_IMINFO 282 CMD_TBL_IOPINFO 283 CMD_TBL_IOPSET 284 CMD_TBL_IRQINFO 285 CMD_TBL_KGDB 286 CMD_TBL_LOADB 287 CMD_TBL_LOADS 288 CMD_TBL_LOG 289 CMD_TBL_LOOP 290 CMD_TBL_JFFS2_LS 291 CMD_TBL_MCCINFO 292 CMD_TBL_MD 293 CMD_TBL_MEMCINFO 294 CMD_TBL_MII 295 CMD_TBL_MM 296 CMD_TBL_MTEST 297 CMD_TBL_MUXINFO 298 CMD_TBL_MW 299 CMD_TBL_NEXT 300 CMD_TBL_NM 301 CMD_TBL_PCI 302 CMD_TBL_PRINTENV 303 CMD_TBL_PROTECT 304 CMD_TBL_RARPB 305 CMD_TBL_RDUMP 306 CMD_TBL_PINIT 307 CMD_TBL_REGINFO 308 CMD_TBL_RESET 309 CMD_TBL_RUN 310 CMD_TBL_SAVEENV 311 CMD_TBL_SAVES 312 CMD_TBL_SCCINFO 313 CMD_TBL_SCSIBOOT 314 CMD_TBL_SCSI 315 CMD_TBL_SETDCR 316 CMD_TBL_SETENV 317 CMD_TBL_SIINFO 318 CMD_TBL_SITINFO 319 CMD_TBL_SIUINFO 320 CMD_TBL_MISC /* sleep */ 321 CMD_TBL_SMCINFO 322 CMD_TBL_SPIINFO 323 CMD_TBL_SPI 324 CMD_TBL_STACK 325 CMD_TBL_STEP 326 CMD_TBL_TFTPB 327 CMD_TBL_USBBOOT 328 CMD_TBL_USB 329 CMD_TBL_VERS 330 CMD_TBL_BSP 331 CMD_TBL_VFD 332 CMD_TBL_QUES /* keep this ("help") the last entry */ 333 /* the following entry terminates this table */ 334 MK_CMD_TBL_ENTRY( NULL, 0, 0, 0, NULL, NULL, NULL ) 335 }; 336